Iron holder



FIG. 1 is a perspective view of an iron holder showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view, the left side view being a mirror image thereof;

FIG. 5 is a top view thereof; and

FIG. 6 is a bottom view thereof. 

The ornamental design for an iron holder, as shown and described. 